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There is no real evidence, but some actually have evidence look here: https://web2.0calc.com/questions/help_23528 

When I said it was from Beast Acadamy (because it obviously is) my post got made invisible to "normal users"

stop spamming the account

a^3 + 3ab^2 = 679 

a^3 - 3ab^2 = 615 

We can subtract both of the equations : 

(a^3 + 3ab^2 ) - ( a^3 - 3ab^2 )  = 679 - 615 

=         6ab^2 = 64

 = ab^2 = 64/6

Now we need to get rid of the fraction part of 64/6, thus a = 1/6 

If a = 1/6 then b = ± 8

Now we subtract, we have 2 possibilities :

1/6 - (-8 ) = 8 + 1/6 

Or 

1/6 -8 = -47 / 6 

 - 4n > - 12, 

(n + 4) > 2, solve for n

-2 < n < 3

The first part is an infinite fraction as you can see it clearly here:  https://www.wolframalpha.com/input?i=1+%2F+%5B1+%2F+%282+%2F+%283+%2F+%284+%2F+%285+%2F+6%29+%2B+1%29+%2B1%29+%2B+1%29+%2B+1%5D

I am confused on the format of the question

I know. Solution: -4n > -12, so 4n < 12 and n < 3, as history said. And also n + 4 > 2, so n > -2. That is -1, 0, 1, 2 which is 4 total numbers.

which way? I think history is incorrect

I agree with the way they did it

Once again, history displays their ineptness at mathematics!

I tots agree, because -1,0,1,2 are obviously three numbers.

That's a lot of accusations, and zero evidence. Not all villains have a tragic backstory, some are just bored.

Jillian has $2,000 in credit card debt. Every month, she pays $200 to the credit card company at the beginning of the month, the credit card company applies a 2% monthly interest rate to the balance at the end of the month, and her balance is always rounded to the nearest cent. After the end of five months, what is her ending balance after interest?

An organisation provides packets of food daily for needy residents living in three blocks of flats. Block 1 receives 1/5 of the packets of food. Block 2 receives 175 more packets of food than Block 1. Block 3 receives 75 more packets of food than Block 1. How many packets of food does the organisation provide daily?

Peter and Cindy each had some money at first. Peter started spending $1.20 daily.

After 15 days, Cindy started spending 1 2/3 of what Peter spent daily. When CIndy
spent all of her money, she had spent $11.60 more than Peter.

a) How many days did Cindy take to spend all of her money?
b) How much did Peter spend in total when Cindy spent all of her money?

I saw that. 

His account on brainly.com is this link: https://brainly.com/app/profile/16819570/answers

I gotta agree with #4, but I'll say it more politely: not everyone is harmless. Not everyone accused of hw cheating is really cheating, but this is so obviously a BA problem, I've seen it before in the books a long time ago. 

Although some of you slightly overreacted, I agree that no one should post questions that are from BA, especially one that is so obviously from your homework. But answering them will harm the cheater more than anyone else. All in all, I do NOT encourage cheating, as it harms you more than anyone else, even the people putting in the time to correctly answer.